As of January 2026 Koppers has a market cap of โน51.13 Billion. This makes Koppers the world's 6997th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Jan 13th, 2026 the market cap of Koppers was reported to be: